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            <h2 id="tsconfig-json-配置"><a href="#tsconfig-json-配置" class="headerlink" title="tsconfig.json 配置"></a>tsconfig.json 配置</h2><p>下面对 <code>tsconfig.json</code> 配置文件中常用配置做相关说明</p>
<p>若想使用下面语法导入 <code>React</code></p>
<figure class="highlight ts"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">import</span> React, &#123; Component &#125; <span class="keyword">from</span> <span class="string">'react'</span>;</span><br></pre></td></tr></table></figure>

<p>而不是使用</p>
<figure class="highlight ts"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">import</span> * <span class="keyword">as</span> React <span class="keyword">from</span> <span class="string">'react'</span>;</span><br></pre></td></tr></table></figure>

<p>需要在 <code>tsconfig.json</code> 配置文件中添加：</p>
<figure class="highlight json"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line">&#123;</span><br><span class="line">  <span class="attr">"compilerOptions"</span>: &#123;</span><br><span class="line">    <span class="attr">"allowSyntheticDefaultImports"</span>: <span class="literal">true</span></span><br><span class="line">  &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>

<h2 id="tslint-json-配置"><a href="#tslint-json-配置" class="headerlink" title="tslint.json 配置"></a>tslint.json 配置</h2><p>允许成员函数不加 <code>public</code> 说明：</p>
<figure class="highlight json"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line">&#123;</span><br><span class="line">  <span class="attr">"rules"</span>: &#123;</span><br><span class="line">    <span class="attr">"member-access"</span>: [<span class="literal">true</span>, <span class="string">"no-public"</span>] // Or <span class="literal">false</span>. Read the rule and see what you want.</span><br><span class="line">  &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
          
        
      
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            <h2 id="字段操作"><a href="#字段操作" class="headerlink" title="字段操作"></a>字段操作</h2><figure class="highlight js"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line">&#123;</span><br><span class="line">    teacher_id: <span class="string">'0001'</span>,</span><br><span class="line">    tel: <span class="string">'12345678901'</span>,</span><br><span class="line">    details: &#123;</span><br><span class="line">        subject: <span class="string">'English'</span></span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>

<h3 id="字段重命名"><a href="#字段重命名" class="headerlink" title="字段重命名"></a>字段重命名</h3><figure class="highlight js"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br></pre></td><td class="code"><pre><span class="line">db.teachers.update(</span><br><span class="line">  &#123;&#125;,</span><br><span class="line">  &#123; <span class="attr">$rename</span>: &#123; <span class="string">'teacher_id'</span>: <span class="string">'teacherId'</span>, <span class="string">'details.subject'</span>: <span class="string">'details.course'</span> &#125; &#125;,</span><br><span class="line">  <span class="literal">false</span>,</span><br><span class="line">  <span class="literal">true</span>,</span><br><span class="line">);</span><br></pre></td></tr></table></figure>

<h3 id="字段删除"><a href="#字段删除" class="headerlink" title="字段删除"></a>字段删除</h3><figure class="highlight js"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">db.teachers.update(&#123;&#125;, &#123; <span class="attr">$unset</span>: &#123; <span class="attr">mobile</span>: <span class="number">1</span> &#125; &#125;, <span class="literal">false</span>, <span class="literal">true</span>);</span><br></pre></td></tr></table></figure>

<figure class="highlight js"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">db.teachers.update(&#123;&#125;, &#123; <span class="attr">$unset</span>: &#123; <span class="string">'details.subject'</span>: <span class="number">1</span> &#125; &#125;, <span class="literal">false</span>, <span class="literal">true</span>);</span><br></pre></td></tr></table></figure>

<h3 id="复杂的操作"><a href="#复杂的操作" class="headerlink" title="复杂的操作"></a>复杂的操作</h3><figure class="highlight js"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br></pre></td><td class="code"><pre><span class="line">&#123;</span><br><span class="line">  key: [</span><br><span class="line">    &#123;</span><br><span class="line">      id: <span class="number">1</span>,</span><br><span class="line">      subkey: value1,</span><br><span class="line">    &#125;,</span><br><span class="line">    &#123;</span><br><span class="line">      id: <span class="number">2</span>,</span><br><span class="line">      subkey: value2,</span><br><span class="line">    &#125;,</span><br><span class="line">  ];</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>

<p>若你只想删除 id 为 1 的的 subkey,你可以使用如下命令:</p>
<figure class="highlight js"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br></pre></td><td class="code"><pre><span class="line">db.example.update(</span><br><span class="line">  &#123; <span class="string">'key.id'</span>: <span class="number">1</span> &#125;,</span><br><span class="line">  &#123; <span class="attr">$unset</span>: &#123; <span class="string">'key.$.subkey'</span>: <span class="number">1</span> &#125; &#125;,</span><br><span class="line">  <span class="literal">false</span>,</span><br><span class="line">  <span class="literal">true</span>,</span><br><span class="line">);</span><br></pre></td></tr></table></figure>


          
        
      
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          <p>Python 有非常丰富的第三方库可以使用，很多开发者会向 pypi 上提交自己的 Python 包。要想向 pypi 包仓库提交自己开发的包，首先要将自己的代码打包，才能上传分发。Python 打包一般用到的库是 <code>setuptools</code>，下面我们重点来介绍 <code>setuptools</code> 的配置和使用。</p>
<h2 id="安装"><a href="#安装" class="headerlink" title="安装"></a>安装</h2><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">pip install setuptools</span><br></pre></td></tr></table></figure>

<h2 id="setup-py-文件"><a href="#setup-py-文件" class="headerlink" title="setup.py 文件"></a>setup.py 文件</h2><p>Python 库打包分发的关键在于编写 <code>setup.py</code> 文件。<code>setup.py</code> 文件编写的规则是从 <code>setuptools</code> 模块导入 setup 函数，并传入各类参数进行调用。</p>
<figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment"># coding:utf-8</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">from</span> setuptools <span class="keyword">import</span> setup</span><br><span class="line"></span><br><span class="line">setup(</span><br><span class="line">    name=<span class="string">'demo'</span>,     <span class="comment"># 包名字</span></span><br><span class="line">    version=<span class="string">'1.0'</span>,   <span class="comment"># 包版本</span></span><br><span class="line">    description=<span class="string">'This is a test of the setup'</span>,   <span class="comment"># 简单描述</span></span><br><span class="line">    author=<span class="string">'huoty'</span>,  <span class="comment"># 作者</span></span><br><span class="line">    author_email=<span class="string">'sudohuoty@163.com'</span>,  <span class="comment"># 作者邮箱</span></span><br><span class="line">    url=<span class="string">'https://www.konghy.com'</span>,      <span class="comment"># 包的主页</span></span><br><span class="line">    packages=[<span class="string">'demo'</span>],                 <span class="comment"># 包</span></span><br><span class="line">)</span><br></pre></td></tr></table></figure>

<h3 id="参数概述"><a href="#参数概述" class="headerlink" title="参数概述"></a>参数概述</h3><p>在 <code>setup()</code> 函数参数中，一部分是用来描述包的元信息；一部分用来定义了包运行的设置信息：</p>
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          <h2 id="命令行应用帮助"><a href="#命令行应用帮助" class="headerlink" title="命令行应用帮助"></a>命令行应用帮助</h2><figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment"># @click.command(help="此命令帮助")</span></span><br><span class="line"><span class="meta">@click.command()</span></span><br><span class="line"><span class="function"><span class="keyword">def</span> <span class="title">cli</span><span class="params">()</span>:</span></span><br><span class="line">    <span class="string">"""此命令 docstring """</span></span><br><span class="line">    <span class="keyword">pass</span></span><br></pre></td></tr></table></figure>

<p>如果你的 <code>click.command()</code> 没有定义 <code>help</code> 参数，则程序会用函数体的 <code>docstring</code> 内容代替。</p>
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          <h2 id="介绍"><a href="#介绍" class="headerlink" title="介绍"></a>介绍</h2><p>要用 <code>setuptools</code> 打包你的 script，您只需要这个 Python 包的脚本文件和 <code>setup.py</code> 文件。 想象一下这个目录结构：</p>
<pre><code>yourscript.py
setup.py</code></pre><p>你的脚本文件 <code>yourscript.py</code> 内容：</p>
<figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">import</span> click</span><br><span class="line"></span><br><span class="line"><span class="meta">@click.command()</span></span><br><span class="line"><span class="function"><span class="keyword">def</span> <span class="title">cli</span><span class="params">()</span>:</span></span><br><span class="line">    <span class="string">"""Example script."""</span></span><br><span class="line">    click.echo(<span class="string">'Hello World!'</span>)</span><br></pre></td></tr></table></figure>

<p>而 <code>setup.py</code> 文件内容：</p>
<figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">from</span> setuptools <span class="keyword">import</span> setup</span><br><span class="line"></span><br><span class="line">setup(</span><br><span class="line">    name=<span class="string">'yourscript'</span>,</span><br><span class="line">    version=<span class="string">'0.1'</span>,</span><br><span class="line">    py_modules=[<span class="string">'yourscript'</span>],</span><br><span class="line">    install_requires=[</span><br><span class="line">        <span class="string">'Click'</span>,</span><br><span class="line">    ],</span><br><span class="line">    entry_points=<span class="string">'''</span></span><br><span class="line"><span class="string">        [console_scripts]</span></span><br><span class="line"><span class="string">        yourscript=yourscript:cli</span></span><br><span class="line"><span class="string">    '''</span>,</span><br><span class="line">)</span><br></pre></td></tr></table></figure>

<p>重点在 <code>entry_points</code> 参数中。在 <code>console_scripts</code> 下面，每行标识一个控制台脚本。 等号（=）左边是应该生成的命令行应用的名称，等号右边是导入路径，后跟冒号（:)和 click 命令函数。</p>
<p>就这样！</p>
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          <h2 id="安装"><a href="#安装" class="headerlink" title="安装"></a>安装</h2><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">pip install tqdm</span><br></pre></td></tr></table></figure>

<p>演示：</p>
<figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">from</span> tqdm <span class="keyword">import</span> tqdm</span><br><span class="line"><span class="keyword">for</span> i <span class="keyword">in</span> tqdm(range(<span class="number">10000</span>)):</span><br><span class="line">    <span class="keyword">pass</span></span><br></pre></td></tr></table></figure>
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          <h2 id="简介"><a href="#简介" class="headerlink" title="简介"></a>简介</h2><p><a href="http://click.pocoo.org" target="_blank" rel="noopener">Click</a> 是 Python 的一个第三方库，它只需要很少的代码就能以可组合的方式创建漂亮的命令行工具。 这是“命令行界面创建工具库”。 它具有高度可配置性，但具有开箱即用的合理默认值。</p>
<ul>
<li>命令的任意嵌套</li>
<li>自动生成帮助信息</li>
<li>支持在运行时子命令的延迟加载</li>
</ul>
<h2 id="安装"><a href="#安装" class="headerlink" title="安装"></a>安装</h2><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">pip install click</span><br></pre></td></tr></table></figure>
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          <h2 id="数据库查询"><a href="#数据库查询" class="headerlink" title="数据库查询"></a>数据库查询</h2><p><code>Document</code> 对象有一个 <code>objects</code> 属性，用来访问在数据库中跟这个类有关的对象。这个 <code>objects</code> 属性其实是一个<code>QuerySetManager</code> ，它会创建和返回一个新的 <code>QuerySet</code> 对象的访问。这个 <code>QuerySet</code> 对象可以从数据库中遍历获取的文档：</p>
<figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment"># Prints out the names of all the users in the database</span></span><br><span class="line"><span class="keyword">for</span> user <span class="keyword">in</span> User.objects:</span><br><span class="line">    <span class="keyword">print</span> user.name</span><br></pre></td></tr></table></figure>

<h3 id="过滤查询"><a href="#过滤查询" class="headerlink" title="过滤查询"></a>过滤查询</h3><p>可以通过调用 <code>QuerySet</code> 对象的关键字参数来对数据查询进行过滤，关键字查询中的键和你想要查询的<code>Document</code> 中的字段一致：</p>
<figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment"># This will return a QuerySet that will only iterate over users whose</span></span><br><span class="line"><span class="comment"># 'country' field is set to 'uk'</span></span><br><span class="line">uk_users = User.objects(country=<span class="string">'uk'</span>)</span><br></pre></td></tr></table></figure>

<p>对于内嵌 document 的字段可以使用 <code>__</code> 来代替对象属性访问语法中的 <code>.</code> 进行访问：</p>
<figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment"># This will return a QuerySet that will only iterate over pages that have</span></span><br><span class="line"><span class="comment"># been written by a user whose 'country' field is set to 'uk'</span></span><br><span class="line">uk_pages = Page.objects(author__country=<span class="string">'uk'</span>)</span><br></pre></td></tr></table></figure>
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                  好用的命令行软件
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          <p><a href="https://github.com/nvbn/thefuck" target="_blank" rel="noopener">thefuck</a></p>
<p>纠正在控制台中你输入的错误命令。</p>
<figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">$</span><span class="bash"> pip install thefuck</span></span><br></pre></td></tr></table></figure>
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          <h2 id="历史记录相关快捷命令"><a href="#历史记录相关快捷命令" class="headerlink" title="历史记录相关快捷命令"></a>历史记录相关快捷命令</h2><p>参见：<code>man history</code>。下面节选一部分：</p>
<table>
<thead>
<tr>
<th>命令</th>
<th>说明</th>
</tr>
</thead>
<tbody><tr>
<td><code>!!</code></td>
<td>执行上一条命令</td>
</tr>
<tr>
<td><code>!foo</code></td>
<td>执行以 <code>foo</code> 开头的命令</td>
</tr>
<tr>
<td><code>!?foo</code></td>
<td>执行包含 <code>foo</code> 的命令</td>
</tr>
<tr>
<td><code>!n</code></td>
<td>执行第 n 条命令</td>
</tr>
<tr>
<td><code>!-n</code></td>
<td>执行倒数第 n 条命令</td>
</tr>
<tr>
<td><code>!$</code></td>
<td>上一条命令最后一个参数</td>
</tr>
<tr>
<td><code>!^</code></td>
<td>上一条命令第一个参数</td>
</tr>
<tr>
<td><code>!:n</code></td>
<td>上一条命令第 n 个参数</td>
</tr>
<tr>
<td><code>!:x-y</code></td>
<td>上一条命令从 x 到 y 的参数</td>
</tr>
<tr>
<td><code>!:n*</code></td>
<td>上一条命令从 n 开始到最后的参数</td>
</tr>
<tr>
<td><code>!*</code></td>
<td>上一条命令的所有参数</td>
</tr>
<tr>
<td>
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                      result += text.substring(prevEnd, hit.position);
                      var end = hit.position + hit.length;
                      result += '<b class="search-keyword">' + text.substring(hit.position, end) + '</b>';
                      prevEnd = end;
                    });
                    result += text.substring(prevEnd, slice.end);
                    return result;
                  }

                  var resultItem = '';

                  if (slicesOfTitle.length != 0) {
                    resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + highlightKeyword(title, slicesOfTitle[0]) + "</a>";
                  } else {
                    resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + title + "</a>";
                  }

                  slicesOfContent.forEach(function (slice) {
                    resultItem += "<a href='" + articleUrl + "'>" +
                      "<p class=\"search-result\">" + highlightKeyword(content, slice) +
                      "...</p>" + "</a>";
                  });

                  resultItem += "</li>";
                  resultItems.push({
                    item: resultItem,
                    searchTextCount: searchTextCount,
                    hitCount: hitCount,
                    id: resultItems.length
                  });
                }
              })
            };
            if (keywords.length === 1 && keywords[0] === "") {
              resultContent.innerHTML = '<div id="no-result"><i class="fa fa-search fa-5x" /></div>'
            } else if (resultItems.length === 0) {
              resultContent.innerHTML = '<div id="no-result"><i class="fa fa-frown-o fa-5x" /></div>'
            } else {
              resultItems.sort(function (resultLeft, resultRight) {
                if (resultLeft.searchTextCount !== resultRight.searchTextCount) {
                  return resultRight.searchTextCount - resultLeft.searchTextCount;
                } else if (resultLeft.hitCount !== resultRight.hitCount) {
                  return resultRight.hitCount - resultLeft.hitCount;
                } else {
                  return resultRight.id - resultLeft.id;
                }
              });
              var searchResultList = '<ul class=\"search-result-list\">';
              resultItems.forEach(function (result) {
                searchResultList += result.item;
              })
              searchResultList += "</ul>";
              resultContent.innerHTML = searchResultList;
            }
          }

          if ('auto' === 'auto') {
            input.addEventListener('input', inputEventFunction);
          } else {
            $('.search-icon').click(inputEventFunction);
            input.addEventListener('keypress', function (event) {
              if (event.keyCode === 13) {
                inputEventFunction();
              }
            });
          }

          // remove loading animation
          $(".local-search-pop-overlay").remove();
          $('body').css('overflow', '');

          proceedsearch();
        }
      });
    }

    // handle and trigger popup window;
    $('.popup-trigger').click(function(e) {
      e.stopPropagation();
      if (isfetched === false) {
        searchFunc(path, 'local-search-input', 'local-search-result');
      } else {
        proceedsearch();
      };
    });

    $('.popup-btn-close').click(onPopupClose);
    $('.popup').click(function(e){
      e.stopPropagation();
    });
    $(document).on('keyup', function (event) {
      var shouldDismissSearchPopup = event.which === 27 &&
        $('.search-popup').is(':visible');
      if (shouldDismissSearchPopup) {
        onPopupClose();
      }
    });
  </script>





  

  

  

  
  

  
  
    
      
    
      
    
      
    
      
    
      
    
      
    
      
    
      
    
      
    
      
    
  

  


  
  

  

  

  

  

  

</body>
</html>
